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1. Ready translated GB standards  and Chinese version GB Standards, you can purchase directly in the web page; After receive your payment, we will send the GB Standards PDF file to your Email within
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2. Other English version GB Standards are not ready translated, only after get your order, then we translate them, time usually need 3-5 days . |
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GB 38451-2019 Respiratory protection—Self-contained open-circuit compressed air breathing apparatus for escape 呼吸防护 自给开路式压缩空气逃生呼吸器 - 英文版 |
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GB/T 16556-2007 self-contained open-circuit compressed air breathing apparatus 自给开路式压缩空气呼吸器 - 英文版 |
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